CHAPTER 5 REGISTERS
PRELIMINARY
NEC confidential and Proprietary
225
(59) Interrupt register (INT) Common register
The INT register indicates an interrupt occurrence of the lower cause.
Register
Name
Address
Access
Default
Function
INT_RO 0140
H
R 00000000
H
Read-only
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Reserved
15
14
13
12
11
10 9 8 7 6 5 4 3 2 1 0
Reserved
GEV GPIN APIER P3ICR
P2ICR P1ICR P0ICR
APIET P3ICT P2ICT P1ICT P0ICT
Bit Field
Function
Default
D31-
D12
Reserved
All 0
D11
GEV
1: Indicates that the bits of the GEV register are set.
0: GEV register is all 0.
0
D10
GPIN
1: Indicates that the bits of the GPIN register are set.
0: GPIN register is all 0.
0
D9
APIER
1: Indicates that the ATM/POS interface errors occur.
0: APIER register is all 0.
0
D8
P3ICR
1: Indicates that the receive interrupt occurs in Port3.
0: Corresponding ICR register is all 0.
0
D7
P2ICR
1: Indicates that the receive interrupt occurs in Port2.
0: Corresponding ICR register is all 0.
0
D6
P1ICR
1: Indicates that the receive interrupt occurs in Port1.
0: Corresponding ICR register is all 0.
0
D5
P0ICR
1: Indicates that the receive interrupt occurs in Port0.
0: Corresponding ICR register is all 0.
0
D4
APIET
1: Indicates that the ATM/POS interface errors occur.
0: APIET register is all 0.
0
D3
P3ICT
1: Indicates that the transmit interrupt occurs in Port3.
0: Corresponding ICT register is all 0.
0
D2
P2ICT
1: Indicates that the transmit interrupt occurs in Port2.
0: Corresponding ICT register is all 0.
0
D1
P1ICT
1: Indicates that the transmit interrupt occurs in Port1.
0: Corresponding ICT register is all 0.
0
D0
P0ICT
1: Indicates that the transmit interrupt occurs in Port0.
0: Corresponding ICT register is all 0.
0
Note :
Depends on the corresponding register status.
Summary of Contents for NEASCOT-P65
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